1212322240234 has 8 divisors (see below), whose sum is σ = 2078266697568. Its totient is φ = 519566674380.

The previous prime is 1212322240219. The next prime is 1212322240267. The reversal of 1212322240234 is 4320422232121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43297222852 + ... + 43297222879.

It is an arithmetic number, because the mean of its divisors is an integer number (259783337196).

Almost surely, 2^{1212322240234} is an apocalyptic number.

1212322240234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1212322240234 is a deficient number, since it is larger than the sum of its proper divisors (865944457334).

1212322240234 is an equidigital number, since it uses as much as digits as its factorization.

1212322240234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86594445740.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1212322240234 its reverse (4320422232121), we get a palindrome (5532744472355).

The spelling of 1212322240234 in words is "one trillion, two hundred twelve billion, three hundred twenty-two million, two hundred forty thousand, two hundred thirty-four".